Court of Customs and Patent Appeals February 7, 1944, Patent Appeal 4819 (In Re Hass)

HATFIELD, Associate Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the . Primary Examiner rejecting all of the claims (Nos. 1, 2, and 3) in appellants’ application for a patent for an alleged invention relating to new and useful nitroolefins. The claims read:

“1.